Patents by Inventor Shang Wan Chen

Shang Wan Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Assembling device for blade of hanging fan
    Patent number: 5927945
    Abstract: An assembling device for the blade of the hanging fan which comprises a ring body arranged on the bottom of the motor unit and having a plurality of dovetail grooves on rim thereof, and blade base has corresponding dovetail shape such that the blade base can be inserted into the dovetail groove and the blades are fixed.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: July 27, 1999
    Inventor: Shang Wan Chen
  • Supporting bracket for a ceiling fan
    Patent number: D424685
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: May 9, 2000
    Inventor: Shang-Wan Chen
  • Ceiling fan
    Patent number: D428648
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: July 25, 2000
    Inventor: Shang-Wan Chen